11 letters
- regenerator14
- regionalist15
- registering16
- registrants14
- reignitions15
- reinitiates12
- reinnervate17
- reinserting15
- reinsertion13
- reinstating15
- reintegrate14
- reinterring15
- reinventing20
- reinvention18
- reinvesting19
- reiterating14
- reiteration12
- reiterative15
- relegations15
- relettering15
- remastering17
- remigration17
- remonstrant16
- remonstrate15
- renegotiate14
- renitencies16
- renominates16
- reobtaining18
- reoperating17
- reordaining16
- reorganizes23
- reorientate12
- reorienting15
- repartition15
- repetitions15
- rereleasing15
- rerepeating17
- rescreening18
- reseasoning15
- reservation16
- resignation15
- respiration15
- restoration12
- restorative15
- restraining15
- restricting17
- restriction15
- restringing17
- retailoring15
- retargeting16
- retirements15
- retractions15
- retroacting17
- ripsnorting18
- sanctioning19
- segregation16
- seigniorage16
- sentineling17
- septentrion16
- sergeanties14
- signatories14
- sinfonietta16
- spinnerette16
- straitening15
- strangering17
- tensiometer15
- teratogenic17
- terminating18
- termination16
- terminators15
- termitaries14
- terrigenous15
- territories11
- terrorising14
- tetralogies14
- theatergoer15
- thorianites14
- threateners14
- threatening17
- tiemannites16
- tragedienne16
- trailerings15
- trailerites12
- transecting18
- transection16
- transfinite16
- transgender16
- transitions13
- transpiring18
- transportee15
- trapnesting18
- travertines16
- trinketries16
- tristearins12
- tyrannising18
- unreasoning17
- unrestraint14
- vegetations18
- venerations17
- vinaigrette18
- wintergreen18